land development, construction of office cum guard room and switch cum chlorine room, boundary wall, surface drain and related allied works at zonal head work site - xv i.e. bergum including laying distribution system within the jurisdiction of ( zone-xv ) & providing functional household tap connection ( fhtc ) in connection with jal jeevan mission ( jjm ) under command area of “surface water based water supply scheme for arsenic affected areas of habra-gaighata & adjoining mouzas under north 24 parganas district project” under barasat sub division within barasat division, p.h.e. dte. habra-i block part-d.